The Siemens SIMATIC PC Adapter USB A2 (6GK1571-0BA00-0AA0) Go to product viewer dialog for this item.
is a professional USB-to-MPI/DP adapter used to connect a PC to Siemens S7-300/400 PLCs. For Windows XP, specific installation steps and driver versions are required to ensure stable communication. 1. Driver Software Requirements
Operating System: Windows XP Service Pack 2 (SP2) or higher is required.
Essential Software: You must have a SIMATIC software package installed before the driver, such as STEP 7 (Classic), TIA Portal, or SIMATIC PDM.
Driver Version: The specific driver disk required is the PC Adapter USB A2 Driverdisk V1.0. 2. Installation Procedure
To avoid driver conflicts or "hardware not found" errors, follow this sequence:
Close Programs: Start Windows XP and close all running applications.
The search for the pc adapter usb a2 driver windows xp is a classic example of the challenges of legacy hardware support. In most cases, the solution lies in identifying the chipset (VID_0A12 for CSR) and using either the CSR Harmony stack or the Toshiba Bluetooth Stack. For the stubborn dongles, BlueSoleil remains the last resort.
Do not give up if the first driver fails. Windows XP’s driver model is forgiving but requires precise matching of hardware IDs. By following this guide, you should be able to resurrect your old Bluetooth USB adapter and connect keyboards, mice, headphones, or even transfer files from a modern smartphone to a vintage XP machine.
Final checklist:
Have you successfully installed the driver? Share your exact hardware ID in forums like MSFN or Reddit’s r/windowsxp to help others with the same PC Adapter USB A2 model.
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SIMATIC PC Adapter USB A2 (Article Number: 6GK1571-0BA00-0AA0
) is a specialized Siemens interface used to connect a PG/PC to SIMATIC S7 systems via PROFIBUS or MPI. It is compatible with Windows XP SP2 and higher Electric Automation Network Drivers & Software Requirements
To use the PC Adapter USB A2 on Windows XP, you generally need the PC Adapter USB A2 Driverdisk V1.0 Siemens SiePortal Built-in Drivers
: Drivers are often included automatically when you install engineering software like STEP 7 (Classic) TIA Portal SIMATIC NET Manual Download
: If not already present, you can find the driver disk on the Siemens Industry Online Support (SIOS) Siemens SiePortal Installation Procedure
For a successful installation on Windows XP, follow these specific steps: Siemens SiePortal Close all active programs and startup items. Run as Administrator : Right-click from the driver disk and select
, then choose the Administrator account. If you do not use admin rights, the installation will fail during the Microsoft Visual C++ 2005 Redistributable step. Follow the Wizard
: The "Simatic Device Drivers" window will appear. Complete the installation and restart your PC Connect the Hardware
: After restarting, plug the USB A2 adapter into your PC. The "Found New Hardware Wizard" should trigger. Finalize in Windows
: Select "Yes, this time only" for the hardware wizard, and choose "Install the software automatically". Siemens SiePortal Configuration & Troubleshooting
PC Adapter USB A2 6GK 1571-0BA00-0AA0 Drivers problem - XP SP3
The Siemens SIMATIC PC Adapter USB A2 (Article No. 6GK1571-0BA00-0AA0) is a critical industrial tool used to connect computers to SIMATIC S7 automation systems via PROFIBUS or MPI interfaces.
While modern, it maintains compatibility with legacy systems like Windows XP (Service Pack 2 or higher). 🛠️ Key Specifications & Requirements Interface Support: USB 1.1, 2.0, and 3.0. Protocols: PROFIBUS (up to 12 Mbps) and MPI.
Power: Directly powered via the USB interface; no external supply needed.
OS Support: Windows XP (32-bit), Vista, and Windows 7/8/10 (32/64-bit).
Prerequisite: You should install a Siemens software package like STEP 7 or TIA Portal before installing the standalone driver. 📥 Where to Find the Driver
If you do not have the original CD, you can obtain the driver through these official channels:
Bundled Software: Drivers are often pre-included in STEP 7 v5.5 SP4 and higher or TIA Portal v13 and higher. pc adapter usb a2 driver windows xp
Direct Download: Siemens provides the PC Adapter USB A2 Driverdisk V1.0 for download on their support portal.
Local Directory: If Siemens software is already installed, drivers are typically located at:C:\Program Files\Siemens\Common\S7SDD. 🚀 Installation Guide for Windows XP
To ensure a successful installation on legacy XP systems, follow these specific steps:
Preparation: Close all active programs and ensure you are logged in as an Administrator.
Run Setup: Locate Setup.exe from the driver disk or downloaded folder. Right-click and select "Run as..." to specifically use Administrator credentials if not already active.
Components: The installer will typically install the Microsoft Visual C++ 2005 Redistributable first; do not cancel this step.
Restart: Reboot your computer after the "SIMATIC Device Drivers" installation completes.
Hardware Connection: Plug in the USB A2 adapter. The "Found New Hardware Wizard" should appear.
Wizard Completion: Select "Yes, this time only" for Windows Update, then choose "Install the software automatically". 💡 Troubleshooting Tips PC Adapter USB A2 Drivers - Siemens SiePortal
The red light on the factory machine’s control panel blinked incessantly, a digital scream for help that no one in the modern IT department could understand.
The year was 2024, but inside the maintenance office of the old textile plant, time had stopped somewhere around 2003. Arthur, the plant’s only remaining senior automation engineer, rubbed his temples. He was staring at a beige, brick-like laptop—a Panasonic Toughbook CF-29.
"Artie," the plant manager, Dave, said, leaning against the doorframe with a coffee cup. "Line 4 is down. The servo drive is faulted out. We need that machine running by second shift, or we miss the shipment."
Arthur nodded slowly. "I know, Dave. The logic is corrupted. I need to plug into the PLC to reload the backup. But I can’t get the laptop to talk to the processor."
"Why not?"
"Drivers," Arthur grunted, the word tasting like ash.
Arthur opened his worn toolbox and pulled out the artifact: a Siemens PC Adapter USB A2. It was a small, purple and green dongle, a vital bridge between the ancient RS-485 serial world of the PLC and the USB port of a computer.
The problem was simple and devastating. The Toughbook had been wiped and re-imaged last week by a young intern from the head office. The kid meant well, but he had installed a stripped-down version of Windows XP Professional. He had installed the base OS, but he hadn’t installed the specific, finicky driver required for the PC Adapter USB A2.
Arthur plugged the adapter into the USB port. Windows XP chimed its cheerful, four-note "device connected" jingle.
Then, the nightmare began.
A speech bubble popped up from the system tray: Found New Hardware: PC Adapter USB A2.
Arthur watched the "Found New Hardware Wizard" splash screen appear. He clicked the radio button for Install from a list or specific location (Advanced). He pointed the wizard to the C:\Siemens\Drivers folder, praying the intern had at least copied the installation files.
The wizard whirred. The hard drive clicked.
And then, the dreaded message: "The hardware was not installed because the wizard cannot find the necessary software."
Arthur cursed under his breath. The A2 adapter was notorious for this. It wasn't a standard serial-to-USB converter; it used a proprietary Siemens protocol. Without the exact Simatic Net drivers or the specific A2 driver package, it was nothing but a plastic paperweight.
He tried Windows Update. A futile gesture on an XP machine in 2024, but he tried it anyway. The browser spun and died. The Microsoft support pages for XP were long gone, digital ghosts in the machine.
"Artie?" Dave’s voice came from the door again. "We got corporate on the line. They're asking why we can't just remote in."
"Because this machine was built when people still used pagers, Dave!" Arthur snapped, then softened. "Look, I need ten minutes. I have to dig up the legacy files."
Arthur opened the file cabinet labeled LEGACY SOFTWARE - DO NOT THROW AWAY. He riffled through stacks of 3.5-inch floppies and CD-ROMs labeled Simatic Step 7 v5.4. He found a scratched CD sleeve with Siemens Simatic Net 2008 written on it in Sharpie.
He slid the CD into the drive. It whirred loudly, struggling to read the surface. The Siemens SIMATIC PC Adapter USB A2 (6GK1571-0BA00-0AA0)
Arthur navigated to the Device Manager. He saw the yellow question mark next to Other devices > PC Adapter USB A2. He right-clicked and selected Update Driver.
He selected Don't search. I will choose the driver to install.
He clicked Have Disk.
He browsed to the CD drive, navigating through the labyrinthine folder structure: CD_Drive > Software > Simatic_Net > Drivers > USB.
He saw a list of .inf files. He selected Simatic_USB.inf.
A list of devices populated the window. He scrolled down past the "PC Adapter USB" and found the specific entry: "PC Adapter USB A2".
He highlighted it and clicked Next.
A warning box appeared: "The software you are installing for this hardware has not passed Windows Logo testing..."
This was the classic XP hurdle. In the modern world, signed drivers were mandatory. In the world of industrial automation on Windows XP, "signed" was a luxury they rarely had.
Arthur didn't hesitate. He clicked "Continue Anyway."
The progress bar appeared. Files copied from the CD to the deep, dark corners of the C:\Windows\System32\drivers folder. Arthur watched the bar creep forward, his heart rate synchronizing with the progress bar. If this failed, he would have to drive two hours to his home office to find his backup hard drive.
Copying file: siusbx64.sys... (No, wrong architecture, the wizard skipped it). Copying file: siusbx86.sys... (There it was. The 32-bit driver).
The wizard screen changed. "Completing the Found New Hardware Wizard."
Arthur let out a breath he didn't know he was holding. He clicked Finish.
He looked at the Device Manager. The yellow question mark was gone. In its place, under the "Simatic" category, sat the PC Adapter USB A2, solid and recognized.
"Dave," Arthur called out. "I'm in."
He opened the Step 7 programming software. The interface was grey, blocky, and utilitarian. He set the PG/PC Interface to the PC Adapter. He plugged the purple end of the cable into the PLC’s MPI port.
He clicked Connect.
The status bar at the bottom of the screen flickered: Establishing connection to PLC...
Then: Online.
Arthur navigated to the Block folder. He saw the corrupted logic block. He selected his backup file and clicked Download.
Outside the office window, the massive hum of Line 4 starting up vibrated through the floor. The red warning light on the machine turned green.
Dave poked his head back in, looking relieved. "We're moving again. Nice work, Artie. What was it?"
Arthur unplugged the adapter and gently placed it back in its protective case. He looked at the old Windows XP desktop, the Bliss hill wallpaper faded and worn.
"Just a conversation lost in translation, Dave," Arthur said, patting the laptop. "The hardware was screaming, but the software didn't know the language. I just taught them how to talk again."
He closed the laptop lid. The crisis was over, but he knew the adapter and the XP driver would have to do this all again tomorrow. That was the life of a bridge builder between the old world and the new.
SIMATIC PC Adapter USB A2 (article number 6GK1571-0BA00-0AA0
) is a critical hardware component used to connect PCs or notebooks to SIMATIC S7 systems via PROFIBUS or MPI interfaces. For users running legacy industrial systems, maintaining compatibility with Windows XP (Service Pack 2 or higher) is often necessary. Driver Compatibility and Software Requirements Operating Systems
: Supported on Windows XP (32-bit and 64-bit), Vista, and Windows 7/8/10. Automatic Installation : Drivers are typically included with installations of SIMATIC STEP 7 (v5.5 SP4 or higher) or TIA Portal Conclusion: Patience and the Right
. If these are installed, manual driver installation is often unnecessary. Manual Path
: If the driver is missing after a software installation, it can often be found locally at C:\Program Files\Siemens\Common\S7SDD Key Specifications Download Driver for PC Adaptor USB A2 . - Siemens SiePortal
Troubleshooting Siemens PC Adapter USB A2 on Windows XP Getting an older Siemens PC Adapter USB A2 (6GK1571-0BA00-0AA0) to play nice with Windows XP can be a bit of a headache, especially if you’ve misplaced the original driver disk. Whether you’re working on a native XP machine or a virtual machine (VM), here is the breakdown of how to get it running. 1. Where to Get the Drivers
The driver for the A2 model isn't always a standalone download on the Siemens site because it’s usually bundled with their engineering software. Siemens SiePortal Built-in Drivers: If you already have STEP 7 (v5.5 SP4 or later) TIA Portal installed, the drivers are likely already on your system. Official Driver Disk:
If you need the specific standalone installer, you can often find the PC Adapter USB A2 Driverdisk V1.0 on the Siemens SiePortal. Siemens SiePortal 2. Installation Steps for Windows XP
Windows XP requires a specific order of operations to avoid the "Unknown Device" error: Run as Administrator: This is critical. Right-click the from the driver disk and select "Run as..." , then choose the Administrator account. Visual C++ Prerequisite: The installer will typically install the Microsoft Visual C++ 2005 Redistributable
first. If you aren't running as admin, the install will often hang or fail at this stage. Restart & Plug In: Restart your PC
plugging in the adapter. Once back in Windows, plug it in; the "Found New Hardware Wizard" should appear. Automatic Search:
Select "Yes, this time only" for Windows Update, then "Install the software automatically." It should find the Simatic Device Drivers you just installed. Siemens SiePortal 3. Virtual Machine (VMware/VirtualBox) Tips
If you are running XP in a VM (common for legacy PLC work), check these settings: USB 2.0 Compatibility:
Many users report that the adapter fails if the VM is set to USB 1.1 or 3.0. Ensure your USB Controller settings are set specifically to Host vs. Guest:
Make sure the physical USB device is "disconnected" from the host and "connected" to the guest XP machine via the VM's removable devices menu. Siemens SiePortal 4. Configuring the PG/PC Interface
Once installed, the adapter won't work until you tell your software to use it: "Set PG/PC Interface" in your Control Panel. PC Adapter USB A2 (MPI) (Profibus) If it doesn't appear in the list, use the
button in the "Interfaces" section to manually add it to the active list. Siemens SiePortal
Are you connecting to a specific PLC model like an S7-300 or S7-400? Knowing the hardware helps in choosing the right MPI vs. Profibus PC Adapter USB A2 will not Connect - SiePortal
The Siemens PC Adapter USB A2 Go to product viewer dialog for this item.
(Order No. 6GK1571-0BA00-0AA0) is compatible with Windows XP. The driver is typically bundled with SIMATIC STEP 7 (v5.5 SP4 or higher) and TIA Portal software.
If you do not have the software installed, you can obtain the standalone driver via the PC Adapter USB A2 Driverdisk V1.0 . How to Install on Windows XP
Download the Driver: You can find the official Driverdisk V1.0 download on the Siemens SiePortal.
Run as Administrator: Right-click Setup.exe and select Run as..., then choose the Administrator account.
Follow the Wizard: The setup will install necessary components like the Microsoft Visual C++ 2005 Redistributable and Simatic Device Drivers.
Restart & Connect: Reboot your PC, then plug in the USB adapter. Windows XP should show the Found New Hardware Wizard. Select "Install the software automatically" . Verify: Open Device Manager. You should see Simatic PC Adapter USB A2 listed under "Simatic Net". Troubleshooting & Tips
Virtual Machines: If you are using a VM (e.g., VMware), ensure the USB compatibility is set to USB 2.0 in the VM settings; otherwise, the adapter may fail to start. Set PG/PC Interface: After installation, select " PC Adapter USB A2
" in the Set PG/PC Interface utility. Avoid using the "Auto" setting, as manually selecting MPI or PROFIBUS is often more reliable.
Alternative Sources: Third-party sites like Driver Scape also host versions of these drivers, though official Siemens sources are recommended for security. If you're having trouble with the connection, let me know: Which PLC model (S7-200, 300, etc.) are you connecting to? Are you using STEP 7 or TIA Portal, and which version? Download Driver for PC Adaptor USB A2 . - Siemens SiePortal
Driver Name: PC Adapter USB A2 Driver
Operating System: Windows XP (32-bit / 64-bit)
Interface: USB A 2.0
Description:
This driver package enables communication between Siemens PC Adapter USB A2 and Windows XP-based engineering workstations. Required for programming S7-200, S7-300, and S7-400 PLCs via the USB port.
Installation Notes:
Setup.exe as Administrator.Known limitations:
dpinst_x64.exe).The Siemens PC Adapter USB A2 is a crucial interface cable used to connect programming computers to SIMATIC S7-300 and S7-400 PLCs. While modern Windows versions (10/11) often handle this device automatically, Windows XP remains a staple in many legacy industrial environments.
If you are setting up an older engineering station or need to connect to a legacy system, getting the driver installed correctly on Windows XP requires a specific procedure. This guide covers the requirements, installation steps, and troubleshooting tips.